20121155055

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2812181}}^1$

素因数の和:2812248

約数の個数: 32

約数和(自身を含む): 36445878720

約数和(自身を除く): 16324723665

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155, 2812181, 8436543, 14060905, 25309629, 42182715, 75928887, 126548145, 149045593, 379644435, 447136779, 745227965, 1341410337, 2235683895, 4024231011, 6707051685, 20121155055]

約数ペア:

[(1, 20121155055), (3, 6707051685), (5, 4024231011), (9, 2235683895), (15, 1341410337), (27, 745227965), (45, 447136779), (53, 379644435), (135, 149045593), (159, 126548145), (265, 75928887), (477, 42182715), (795, 25309629), (1431, 14060905), (2385, 8436543), (7155, 2812181)]